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glibc/sysdeps/s390/configure
Stefan Liebler a899a5512f S390: Add configure check to detect support for arch13. 
Add two configure checks which detect if arch13 is supported
by the assembler at all - by explicitely setting the machine -
and if it is supported with default settings.

ChangeLog:

	* config.h.in (HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT,
	HAVE_S390_ARCH13_ASM_SUPPORT): New undefine.
	* sysdeps/s390/configure.ac: Add checks for arch13 support.
	* sysdeps/s390/configure: Regenerated.
2019-03-22 11:14:08 +01:00

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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/s390.
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_tbegin" >&5
$as_echo_n "checking for __builtin_tbegin... " >&6; }
if ${libc_cv_gcc_builtin_tbegin+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
#include <htmintrin.h>
void testtransaction ()
{
if (__builtin_tbegin (0) == _HTM_TBEGIN_STARTED)
{
__builtin_tend ();
}
}
EOF
if { ac_try='${CC-cc} -mhtm -O2 -S conftest.c -o - | grep -w tbegin > /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_gcc_builtin_tbegin=yes
else
libc_cv_gcc_builtin_tbegin=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_tbegin" >&5
$as_echo "$libc_cv_gcc_builtin_tbegin" >&6; }
if test "$libc_cv_gcc_builtin_tbegin" = no ; then
critic_missing="$critic_missing The used GCC has no support for __builtin_tbegin, which is needed for lock-elision on target S390."
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 vector instruction support" >&5
$as_echo_n "checking for S390 vector instruction support... " >&6; }
if ${libc_cv_asm_s390_vx+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
void testvecinsn ()
{
__asm__ (".machine \"z13\" \n\t"
".machinemode \"zarch_nohighgprs\" \n\t"
"vistrbs %%v16,%%v17 \n\t"
"locghie %%r1,0" : :);
}
EOF
if { ac_try='${CC-cc} --shared conftest.c -o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_vx=yes
else
libc_cv_asm_s390_vx=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_vx" >&5
$as_echo "$libc_cv_asm_s390_vx" >&6; }
if test "$libc_cv_asm_s390_vx" = yes ;
then
$as_echo "#define HAVE_S390_VX_ASM_SUPPORT 1" >>confdefs.h
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Use binutils with vector-support in order to use optimized implementations." >&5
$as_echo "$as_me: WARNING: Use binutils with vector-support in order to use optimized implementations." >&2;}
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 vector support in gcc" >&5
$as_echo_n "checking for S390 vector support in gcc... " >&6; }
if ${libc_cv_gcc_s390_vx+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
void testvecclobber ()
{
__asm__ ("" : : : "v16");
}
EOF
if { ac_try='${CC-cc} --shared conftest.c -o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_gcc_s390_vx=yes
else
libc_cv_gcc_s390_vx=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_s390_vx" >&5
$as_echo "$libc_cv_gcc_s390_vx" >&6; }
if test "$libc_cv_gcc_s390_vx" = yes ;
then
$as_echo "#define HAVE_S390_VX_GCC_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support" >&5
$as_echo_n "checking for S390 arch13 zarch instruction support... " >&6; }
if ${libc_cv_asm_s390_arch13+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
void testinsn (char *buf)
{
__asm__ (".machine \"arch13\" \n\t"
".machinemode \"zarch_nohighgprs\" \n\t"
"lghi %%r0,16 \n\t"
"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
-o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_arch13=yes
else
libc_cv_asm_s390_arch13=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_arch13" >&5
$as_echo "$libc_cv_asm_s390_arch13" >&6; }
if test "$libc_cv_asm_s390_arch13" = yes ;
then
$as_echo "#define HAVE_S390_ARCH13_ASM_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 z10 zarch instruction support as default" >&5
$as_echo_n "checking for S390 z10 zarch instruction support as default... " >&6; }
if ${libc_cv_asm_s390_min_z10_zarch+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
void testinsn (void *a, void *b, int n)
{
__asm__ ("exrl %2,1f \n\t"
"j 2f \n\t"
"1: mvc 0(1,%0),0(%1) \n\t"
"2:"
: : "a" (a), "a" (b), "d" (n)
: "memory", "cc");
}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
-o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_min_z10_zarch=yes
else
libc_cv_asm_s390_min_z10_zarch=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z10_zarch" >&5
$as_echo "$libc_cv_asm_s390_min_z10_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z10_zarch" = yes ;
then
$as_echo "#define HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 z196 zarch instruction support as default" >&5
$as_echo_n "checking for S390 z196 zarch instruction support as default... " >&6; }
if ${libc_cv_asm_s390_min_z196_zarch+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
float testinsn (double e)
{
float d;
__asm__ ("ledbra %0,5,%1,4" : "=f" (d) : "f" (e) );
return d;
}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
-o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_min_z196_zarch=yes
else
libc_cv_asm_s390_min_z196_zarch=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z196_zarch" >&5
$as_echo "$libc_cv_asm_s390_min_z196_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z196_zarch" = yes ;
then
$as_echo "#define HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 z13 zarch instruction support as default" >&5
$as_echo_n "checking for S390 z13 zarch instruction support as default... " >&6; }
if ${libc_cv_asm_s390_min_z13_zarch+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
int testinsn (void)
{
int i;
__asm__ ("vl %%v16,0(%%r15)\n\t"
"vlgvf %0,%%v16,0"
: "=d" (i) : : "memory", "v16");
return i;
}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
-o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_min_z13_zarch=yes
else
libc_cv_asm_s390_min_z13_zarch=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z13_zarch" >&5
$as_echo "$libc_cv_asm_s390_min_z13_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z13_zarch" = yes ;
then
$as_echo "#define HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT 1" >>confdefs.h
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support as default" >&5
$as_echo_n "checking for S390 arch13 zarch instruction support as default... " >&6; }
if ${libc_cv_asm_s390_min_arch13_zarch+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
void testinsn (char *buf)
{
__asm__ ("lghi %%r0,16 \n\t"
"mvcrl 0(%0),32(%0)" : : "a" (buf) : "memory", "r0");
}
EOF
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c
-o conftest.o &> /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } ;
then
libc_cv_asm_s390_min_arch13_zarch=yes
else
libc_cv_asm_s390_min_arch13_zarch=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_arch13_zarch" >&5
$as_echo "$libc_cv_asm_s390_min_arch13_zarch" >&6; }
if test "$libc_cv_asm_s390_min_arch13_zarch" = yes ;
then
$as_echo "#define HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT 1" >>confdefs.h
fi
test -n "$critic_missing" && as_fn_error $? "
*** $critic_missing" "$LINENO" 5
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